CVE-2026-19681 Command Injection

Critical 9.4 Published Updated

Authenticated attackers can execute arbitrary OS commands via crafted file uploads in Tenable Security Center.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-19681?

CVE-2026-19681 is a critical command injection vulnerability in Tenable, Inc. Security Center, published on 14 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An authenticated command injection vulnerability exists in Security Center related to file upload processing. An attacker could exploit this issue by uploading a specially crafted file, potentially resulting in arbitrary command execution on the underlying operating system.

Weakness: CWE-78

Which versions are affected by CVE-2026-19681?

It affects 1 product.

Products include Tenable Security Center.

How do I fix CVE-2026-19681?

No fix has been published for CVE-2026-19681 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-19681 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19681 exists.

Public exploit code: 1 Metasploit module and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-qx78-w9jf-gv53.

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